PermissionAjaxController.php

Go to the documentation of this file.

<?php
namespace TYPO3\CMS\Perm\Controller;

use TYPO3\CMS\Backend\Utility\BackendUtility;

class PermissionAjaxController {

    // The local configuration array
    protected $conf = array();

    // TYPO3 Back Path
    protected $backPath = '../../../';

    /********************************************
     *
     * Init method for this class
     *
     ********************************************/
    public function __construct() {
        $GLOBALS['LANG']->includeLLFile('EXT:lang/locallang_mod_web_perm.xlf');
        // Configuration, variable assignment
        $this->conf['page'] = \TYPO3\CMS\Core\Utility\GeneralUtility::_POST('page');
        $this->conf['who'] = \TYPO3\CMS\Core\Utility\GeneralUtility::_POST('who');
        $this->conf['mode'] = \TYPO3\CMS\Core\Utility\GeneralUtility::_POST('mode');
        $this->conf['bits'] = (int)\TYPO3\CMS\Core\Utility\GeneralUtility::_POST('bits');
        $this->conf['permissions'] = (int)\TYPO3\CMS\Core\Utility\GeneralUtility::_POST('permissions');
        $this->conf['action'] = \TYPO3\CMS\Core\Utility\GeneralUtility::_POST('action');
        $this->conf['ownerUid'] = (int)\TYPO3\CMS\Core\Utility\GeneralUtility::_POST('ownerUid');
        $this->conf['username'] = \TYPO3\CMS\Core\Utility\GeneralUtility::_POST('username');
        $this->conf['groupUid'] = (int)\TYPO3\CMS\Core\Utility\GeneralUtility::_POST('groupUid');
        $this->conf['groupname'] = \TYPO3\CMS\Core\Utility\GeneralUtility::_POST('groupname');
        $this->conf['editLockState'] = (int)\TYPO3\CMS\Core\Utility\GeneralUtility::_POST('editLockState');
        // User: Replace some parts of the posted values
        $this->conf['new_owner_uid'] = (int)\TYPO3\CMS\Core\Utility\GeneralUtility::_POST('newOwnerUid');
        $temp_owner_data = BackendUtility::getUserNames('username, uid', ' AND uid = ' . $this->conf['new_owner_uid']);
        $this->conf['new_owner_username'] = htmlspecialchars($temp_owner_data[$this->conf['new_owner_uid']]['username']);
        // Group: Replace some parts of the posted values
        $this->conf['new_group_uid'] = (int)\TYPO3\CMS\Core\Utility\GeneralUtility::_POST('newGroupUid');
        $temp_group_data = BackendUtility::getGroupNames('title,uid', ' AND uid = ' . $this->conf['new_group_uid']);
        $this->conf['new_group_username'] = htmlspecialchars($temp_group_data[$this->conf['new_group_uid']]['title']);
    }

    /********************************************
     *
     * Main dispatcher method
     *
     ********************************************/
    public function dispatch($params = array(), \TYPO3\CMS\Core\Http\AjaxRequestHandler &$ajaxObj = NULL) {
        $content = '';
        // Basic test for required value
        if ($this->conf['page'] > 0) {
            // Init TCE for execution of update
            $tce = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\DataHandling\\DataHandler');
            $tce->stripslashes_values = 1;
            // Determine the scripts to execute
            switch ($this->conf['action']) {
                case 'show_change_owner_selector':
                    $content = $this->renderUserSelector($this->conf['page'], $this->conf['ownerUid'], $this->conf['username']);
                    break;
                case 'change_owner':
                    if (is_int($this->conf['new_owner_uid'])) {
                        // Prepare data to change
                        $data = array();
                        $data['pages'][$this->conf['page']]['perms_userid'] = $this->conf['new_owner_uid'];
                        // Execute TCE Update
                        $tce->start($data, array());
                        $tce->process_datamap();
                        $content = self::renderOwnername($this->conf['page'], $this->conf['new_owner_uid'], $this->conf['new_owner_username']);
                    } else {
                        $ajaxObj->setError('An error occurred: No page owner uid specified.');
                    }
                    break;
                case 'show_change_group_selector':
                    $content = $this->renderGroupSelector($this->conf['page'], $this->conf['groupUid'], $this->conf['groupname']);
                    break;
                case 'change_group':
                    if (is_int($this->conf['new_group_uid'])) {
                        // Prepare data to change
                        $data = array();
                        $data['pages'][$this->conf['page']]['perms_groupid'] = $this->conf['new_group_uid'];
                        // Execute TCE Update
                        $tce->start($data, array());
                        $tce->process_datamap();
                        $content = self::renderGroupname($this->conf['page'], $this->conf['new_group_uid'], $this->conf['new_group_username']);
                    } else {
                        $ajaxObj->setError('An error occurred: No page group uid specified.');
                    }
                    break;
                case 'toggle_edit_lock':
                    // Prepare data to change
                    $data = array();
                    $data['pages'][$this->conf['page']]['editlock'] = $this->conf['editLockState'] === 1 ? 0 : 1;
                    // Execute TCE Update
                    $tce->start($data, array());
                    $tce->process_datamap();
                    $content = $this->renderToggleEditLock($this->conf['page'], $data['pages'][$this->conf['page']]['editlock']);
                    break;
                default:
                    if ($this->conf['mode'] == 'delete') {
                        $this->conf['permissions'] = (int)($this->conf['permissions'] - $this->conf['bits']);
                    } else {
                        $this->conf['permissions'] = (int)($this->conf['permissions'] + $this->conf['bits']);
                    }
                    // Prepare data to change
                    $data = array();
                    $data['pages'][$this->conf['page']]['perms_' . $this->conf['who']] = $this->conf['permissions'];
                    // Execute TCE Update
                    $tce->start($data, array());
                    $tce->process_datamap();
                    $content = self::renderPermissions($this->conf['permissions'], $this->conf['page'], $this->conf['who']);
            }
        } else {
            $ajaxObj->setError('This script cannot be called directly.');
        }
        $ajaxObj->addContent($this->conf['page'] . '_' . $this->conf['who'], $content);
    }

    /********************************************
     *
     * Helpers for this script
     *
     ********************************************/
    protected function renderUserSelector($page, $ownerUid, $username = '') {
        // Get usernames
        $beUsers = BackendUtility::getUserNames();
        // Init groupArray
        $groups = array();
        if (!$GLOBALS['BE_USER']->isAdmin()) {
            $beUsers = BackendUtility::blindUserNames($beUsers, $groups, 1);
        }
        // Owner selector:
        $options = '';
        // Loop through the users
        foreach ($beUsers as $uid => $row) {
            $selected = $uid == $ownerUid ? ' selected="selected"' : '';
            $options .= '<option value="' . $uid . '"' . $selected . '>' . htmlspecialchars($row['username']) . '</option>';
        }
        $elementId = 'o_' . $page;
        $options = '<option value="0"></option>' . $options;
        $selector = '<select name="new_page_owner" id="new_page_owner">' . $options . '</select>';
        $saveButton = '<a onclick="WebPermissions.changeOwner(' . $page . ', ' . $ownerUid . ', \'' . $elementId . '\');" title="Change owner">' . \TYPO3\CMS\Backend\Utility\IconUtility::getSpriteIcon('actions-document-save') . '</a>';
        $cancelButton = '<a onclick="WebPermissions.restoreOwner(' . $page . ', ' . $ownerUid . ', \'' . ($username == '' ? '<span class=not_set>[not set]</span>' : htmlspecialchars($username)) . '\', \'' . $elementId . '\');" title="Cancel">' . \TYPO3\CMS\Backend\Utility\IconUtility::getSpriteIcon('actions-document-close') . '</a>';
        $ret = $selector . $saveButton . $cancelButton;
        return $ret;
    }

    protected function renderGroupSelector($page, $groupUid, $groupname = '') {
        // Get usernames
        $beGroups = BackendUtility::getListGroupNames('title,uid');
        $beGroupKeys = array_keys($beGroups);
        $beGroupsO = ($beGroups = BackendUtility::getGroupNames());
        if (!$GLOBALS['BE_USER']->isAdmin()) {
            $beGroups = BackendUtility::blindGroupNames($beGroupsO, $beGroupKeys, 1);
        }
        // Group selector:
        $options = '';
        // flag: is set if the page-groupid equals one from the group-list
        $userset = 0;
        // Loop through the groups
        foreach ($beGroups as $uid => $row) {
            if ($uid == $groupUid) {
                $userset = 1;
                $selected = ' selected="selected"';
            } else {
                $selected = '';
            }
            $options .= '<option value="' . $uid . '"' . $selected . '>' . htmlspecialchars($row['title']) . '</option>';
        }
        // If the group was not set AND there is a group for the page
        if (!$userset && $groupUid) {
            $options = '<option value="' . $groupUid . '" selected="selected">' . htmlspecialchars($beGroupsO[$groupUid]['title']) . '</option>' . $options;
        }
        $elementId = 'g_' . $page;
        $options = '<option value="0"></option>' . $options;
        $selector = '<select name="new_page_group" id="new_page_group">' . $options . '</select>';
        $saveButton = '<a onclick="WebPermissions.changeGroup(' . $page . ', ' . $groupUid . ', \'' . $elementId . '\');" title="Change group">' . \TYPO3\CMS\Backend\Utility\IconUtility::getSpriteIcon('actions-document-save') . '</a>';
        $cancelButton = '<a onclick="WebPermissions.restoreGroup(' . $page . ', ' . $groupUid . ', \'' . ($groupname == '' ? '<span class=not_set>[not set]</span>' : htmlspecialchars($groupname)) . '\', \'' . $elementId . '\');" title="Cancel">' . \TYPO3\CMS\Backend\Utility\IconUtility::getSpriteIcon('actions-document-close') . '</a>';
        $ret = $selector . $saveButton . $cancelButton;
        return $ret;
    }

    static public function renderOwnername($page, $ownerUid, $username, $validUser = TRUE) {
        $elementId = 'o_' . $page;
        $ret = '<span id="' . $elementId . '"><a class="ug_selector" onclick="WebPermissions.showChangeOwnerSelector(' . $page . ', ' . $ownerUid . ', \'' . $elementId . '\', \'' . htmlspecialchars($username) . '\');">' . ($validUser ? ($username == '' ? '<span class=not_set>[' . $GLOBALS['LANG']->getLL('notSet') . ']</span>' : htmlspecialchars(\TYPO3\CMS\Core\Utility\GeneralUtility::fixed_lgd_cs($username, 20))) : '<span class=not_set title="' . htmlspecialchars(\TYPO3\CMS\Core\Utility\GeneralUtility::fixed_lgd_cs($username, 20)) . '">[' . $GLOBALS['LANG']->getLL('deleted') . ']</span>') . '</a></span>';
        return $ret;
    }

    static public function renderGroupname($page, $groupUid, $groupname, $validGroup = TRUE) {
        $elementId = 'g_' . $page;
        $ret = '<span id="' . $elementId . '"><a class="ug_selector" onclick="WebPermissions.showChangeGroupSelector(' . $page . ', ' . $groupUid . ', \'' . $elementId . '\', \'' . htmlspecialchars($groupname) . '\');">' . ($validGroup ? ($groupname == '' ? '<span class=not_set>[' . $GLOBALS['LANG']->getLL('notSet') . ']</span>' : htmlspecialchars(\TYPO3\CMS\Core\Utility\GeneralUtility::fixed_lgd_cs($groupname, 20))) : '<span class=not_set title="' . htmlspecialchars(\TYPO3\CMS\Core\Utility\GeneralUtility::fixed_lgd_cs($groupname, 20)) . '">[' . $GLOBALS['LANG']->getLL('deleted') . ']</span>') . '</a></span>';
        return $ret;
    }

    protected function renderToggleEditLock($page, $editLockState) {
        if ($editLockState === 1) {
            $ret = '<a class="editlock" onclick="WebPermissions.toggleEditLock(' . $page . ', 1);" title="The page and all content is locked for editing by all non-Admin users.">' . \TYPO3\CMS\Backend\Utility\IconUtility::getSpriteIcon('status-warning-lock') . '</a>';
        } else {
            $ret = '<a class="editlock" onclick="WebPermissions.toggleEditLock(' . $page . ', 0);" title="Enable the &raquo;Admin-only&laquo; edit lock for this page">[+]</a>';
        }
        return $ret;
    }

    static public function renderPermissions($int, $pageId = 0, $who = 'user') {
        $str = '';
        $permissions = array(1, 16, 2, 4, 8);
        foreach ($permissions as $permission) {
            if ($int & $permission) {
                $str .= \TYPO3\CMS\Backend\Utility\IconUtility::getSpriteIcon('status-status-permission-granted', array(
                    'tag' => 'a',
                    'title' => $GLOBALS['LANG']->getLL($permission, TRUE),
                    'onclick' => 'WebPermissions.setPermissions(' . $pageId . ', ' . $permission . ', \'delete\', \'' . $who . '\', ' . $int . ');',
                    'style' => 'cursor:pointer'
                ));
            } else {
                $str .= \TYPO3\CMS\Backend\Utility\IconUtility::getSpriteIcon('status-status-permission-denied', array(
                    'tag' => 'a',
                    'title' => $GLOBALS['LANG']->getLL($permission, TRUE),
                    'onclick' => 'WebPermissions.setPermissions(' . $pageId . ', ' . $permission . ', \'add\', \'' . $who . '\', ' . $int . ');',
                    'style' => 'cursor:pointer'
                ));
            }
        }
        return '<span id="' . $pageId . '_' . $who . '">' . $str . '</span>';
    }

}